// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//

#include <cantor/unresolved/dqls/order_by_clause.h>
#include <cantor/unresolved/dqls/by_item.h>
#include <cantor/unresolved/expr_traits.h>

namespace cantor::unresolved {

    /// check the expr visitor must in global traits list
    static_assert(unresolved::isInAllExprList<unresolved::UnresolvedOrderByClause>::value, "not in all visitor lists");


    std::vector<UnresolvedByItem> UnresolvedOrderByClause::items() const {
        std::vector<UnresolvedByItem> result;
        for (size_t i = 0; i < instance.items_size(); i++) {
            result.emplace_back(UnresolvedByItem(instance.items(i)));
        }
        return result;
    }
    UnresolvedByItem UnresolvedOrderByClause::item(size_t index) const {
        return UnresolvedByItem(instance.items(index));
    }

}  // namespace cantor::unresolved
